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长春市第二松花江沿岸二级阶地主要分布在榆树、农安、德惠三个商品粮基地县。由于水土流失加剧,造成第二松花江沿岸二级阶地沟蚀严重,导致农业自然生态恶化,土地利用率下降,影响农业生产,威胁人民生命财产安全。因此,摸清第二松花江沿岸二级阶地沟蚀现状、发生发展过程、危害及成因,探讨治理、改造、利用、变害为利的有效途径,迅速控制沟蚀发展,保护农田,增加经济收入,为子孙后代
The second terrace of the second Songhua River in Changchun City is mainly distributed in three commodity grain base counties, namely Elm, Nong’an and Dehui. Due to the aggravation of water and soil loss, the serious erosion of the secondary terrace along the second Songhua River led to the aggravation of the natural ecology of agriculture and the decline of land utilization, which affected the agricultural production and threatened the safety of people’s lives and property. Therefore, it is necessary to find out the status quo of gully erosion in the second terrace of the second Songhua River and its development process, hazards and causes, and to explore effective ways of harnessing, reforming, using and changing the damage to benefit the rapid development of gully erosion, protecting farmland and increasing economy Income, for future generations